Year 3 Ten More, Ten Less (and One More, One Less) Worksheet — Getting Started — Answers
Answer sheet with worked solutions for the Year 3 place value worksheet.
Success TutoringWorksheetsAnswer sheetYear 3 · Mathematics · Place ValueYear 3 Ten More, Ten Less (and One More, One Less) Worksheet — Getting Started — Answers
Use place value: ten more or ten less changes the tens digit.
1.One less than 5 is (answer space).
Answer: 4
- 5 − 1 = 4
2.One less than 1 is (answer space).
Answer: 0
- 1 − 1 = 0
3.One more than 14 is (answer space).
Answer: 15
- 14 + 1 = 15
4.One more than 8 is (answer space).
Answer: 9
- 8 + 1 = 9
5.One more than 12 is (answer space).
Answer: 13
- 12 + 1 = 13
6.One less than 18 is (answer space).
Answer: 17
- 18 − 1 = 17
7.One less than 2 is (answer space).
Answer: 1
- 2 − 1 = 1
8.One less than 10 is (answer space).
Answer: 9
- 10 − 1 = 9
9.One less than 3 is (answer space).
Answer: 2
- 3 − 1 = 2
10.One less than 4 is (answer space).
Answer: 3
- 4 − 1 = 3
11.One more than 19 is (answer space).
Answer: 20
- 19 + 1 = 20
12.One more than 17 is (answer space).
Answer: 18
- 17 + 1 = 18
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.